The Earth's Forgotten Secrets: A Stunning Journey Through the Prehistoric Age | Earth Documentary

history of the earth, documentary history of the earth
🌍 What did the earth's flora and fauna look like millions of years ago? Who were the first people to set foot on our planet? Who hasn't asked themselves this question?
Since the beginning of our world, wonderful stories have been told about the birth of life. From the moment the first humans appeared on the scene, mankind wanted to know, wanted to learn, hoped to understand.
Thousands of years ago, these stories were more the stuff of myth and legend. Beliefs filled the void left by the knowledge we lacked. Knowledge has been a human need since the dawn of time.
Today, research, science and technology enable us to understand our environment differently. But the quest for knowledge is still deeply rooted in each and every one of us. The more answers we find, the more new questions seem to emerge. Nothing has changed between yesterday and today, and the desire to know and understand is as intense and profound as ever.
Why are we here? How did we get here? Who were the first inhabitants of our planet? What was life like on Earth then? This existential question is inherent to humanity. It's what makes us human.

🔥 As a reminder, videos are published on SUNDAYS at 6pm.

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💥 Prehistoric Earth:
- Little by little, though, things are changing. Our journey takes us to the Ordovician period. This is where we'll land and put down our suitcases long enough to observe what's going on in the surrounding area.
We are between 485 and 443 million years old. Here, the climate is conducive to plant growth, and a few plants have managed to hold on and survive despite the difficult climatic and geological conditions.
That tiny green thing you see covering the ground is a Marchantia Polymorpha. It's one of the hepatic plants, meaning it has no vascular system. Other types of hepatic plants, such as mosses, sphagnum mosses and anthocerotes, will manage to make a small place for themselves on the continent. Together, they form the first vegetation cover. No matter how small and minute, this little green bower of moss and lichen is synonymous with life. The expansion of these plants triggered a whole host of processes that would determine the course of our history. In particular, they depleted the atmosphere of CO². But for the moment, nothing is certain. Too few elements favor the birth of life on earth.
Such change takes time. Let's continue our progression on the geological time scale and rendezvous with the Silurian. ...

Here we are, between 443 and 419 million years ago. As we approach the Silurian, some 443 million years ago, vegetation continues to develop. Green algae, of course, but also lichen on the surface and Cooksonia.
This primitive plant was one of the first to be equipped with a vascular system, i.e. vessels for the circulation of water and sap. This was an enormous change for vegetation. This evolution will promote plant diversification and soil enrichment. But let's not get ahead of ourselves. Let's get back to our Cooksonia.
You can recognize it by the little balls at the ends of the stems. These little balls are called sporangia. These are organs that emit spores. In botany, spores refer to seed cells that can give rise to a new individual. That's why Cooksonia covers the patch of earth in front of you. But another evolution is about to take place. A second threshold of oxygen, and ozone, is reached, causing the first terrestrial arthropods to emerge from the waters and gradually settle on the continents. This was possible because the plants that preceded them provided them with the food they needed to develop. Once out of the water, animals have to move to find food, and develop a mobility strategy.

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🎬 Today's program:
- 00:00 - Introduction
- 04:15 - Aquatic life, the beginnings of terrestrial life
- 22:00 - The birth of land plants
- 23:03 - Ordovician
- 24:47 - Silurian
- 28:45 - Devonian: when the first animals settled on our planet
- 47:24 - Carboniferous
- 01:01:02 - Permian
- 01:18:13 - The great dinosaur eras: the Triassic period
- 01:32:11 - Great dinosaur eras: the Jurassic period
- 01:45:20 - Great dinosaur ages: Cretaceous

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[_M_a_r_t_i_n_M]

It's really nice to see a documentary which puts a good amount of focus on plant life as well as animal life from the formative eras of life on Earth.

[sabrecatsmiladon]

One looked like my Mother-in-law-saurus

[kwitshadie]

It’s nice that there are more documentaries regarding the full history of the Earth and Mammals. :)

[fitnesspoint]

Had to play this 2X speed, to prevent falling asleep

[cedarpoplar]

This video took a whole 5 minute introduction where it just kept repeating itself

[dudepool]

Huh. Horsetails existed before horse tails. Neat.

[linmonash]

Fascinating. We haven't been here long at all!

[lloydmckay]

Life is truly a miracle and it goes on with a multitude of amazing forms which is also miraculous and then the existence of curious and intelligent human forms. What are we. Why do we suffer when no one wants suffering. What is this existence and what is it's purpose? Becoming a human means inquiring on the essential questions of thoughtful men.

[outdoorangerify]

Commentator sounds like a poor mans Morgan Freeman.

[LDrosophila]

Wouldnt fungas be considered the first forest?

[alexk]

you super need to read over your script before you put it out there: half way in any my two favorites so far are: “coal, also known as coal” and “10cm or 32 inches”

[KatieWierzbicki-ibib]

You do beautiful and amazing work! Awesome channel!

[TheEnigmaUniverse-vtpm]

our channel has opened my eyes to the endless possibilities of space exploration. I'm grateful for the valuable insights you provide us with.

[safeysmith]

The more we know about our world and universe around us, be it past present or future, the greater potential we have as a species overall.

[Jameswallace]

thanks sir. I appreciate you so much! bless you!

[swallehisadirisa]

I call these my documentaries I think the most important thing on earth is to know hw the world came about

[istooptoconcur]

great documentary. that's not, i think, a diplocaulus at 1:08:20. however, but appears to be some kind of sauropod dinosaur...

[milesend]

Did no one else see the two 5 legged Dino paintings back to back at around 1hr34 min😂. Don't get me wrong tho I love the video, just saying.

[mateomarquez]

@1:08:30 ...um, that is a diploDOCUS, not a diploCAULUS lol near miss, but still a good video

[iamnoone]

Coal, also known as coal. I love it. Not throwing shade, just amused. It's like the cup of coffee on a rock in a scene on the old Star Trek, just a funny little mistake. 😉